static void
print_keycode(struct keyboard *kbd, xkb_keycode_t keycode)
{
unsigned int i;
struct xkb_keymap *keymap;
struct xkb_state *state;
const xkb_keysym_t *syms;
unsigned int nsyms;
char s[16];
uint32_t unicode;
xkb_layout_index_t layout;
xkb_mod_index_t mod;
xkb_led_index_t led;
state = kbd->state;
keymap = xkb_state_get_keymap(state);
nsyms = xkb_state_key_get_syms(state, keycode, &syms);
if (nsyms <= 0)
return;
printf("keysyms [ ");
for (i = 0; i < nsyms; i++) {
xkb_keysym_get_name(syms[i], s, sizeof(s));
printf("%-*s ", (int)sizeof(s), s);
}
printf("] ");
/*
* Only do this if wchar_t is UCS-4, so we can be lazy and print
* with %lc.
*/
#ifdef __STDC_ISO_10646__
printf("unicode [ ");
for (i = 0; i < nsyms; i++) {
unicode = xkb_keysym_to_utf32(syms[i]);
printf("%lc ", (int)(unicode ? unicode : L' '));
}
printf("] ");
#endif
layout = xkb_state_key_get_layout(state, keycode);
printf("layout [ %s (%d) ] ",
xkb_keymap_layout_get_name(keymap, layout), layout);
printf("level [ %d ] ",
xkb_state_key_get_level(state, keycode, layout));
printf("mods [ ");
for (mod = 0; mod < xkb_keymap_num_mods(keymap); mod++) {
if (xkb_state_mod_index_is_active(state, mod,
XKB_STATE_MODS_EFFECTIVE) <= 0)
continue;
if (xkb_state_mod_index_is_consumed(state, keycode, mod))
printf("-%s ", xkb_keymap_mod_get_name(keymap, mod));
else
printf("%s ", xkb_keymap_mod_get_name(keymap, mod));
}
printf("] ");
printf("leds [ ");
for (led = 0; led < xkb_keymap_num_leds(keymap); led++) {
if (xkb_state_led_index_is_active(state, led) <= 0)
continue;
printf("%s ", xkb_keymap_led_get_name(keymap, led));
}
printf("] ");
printf("\n");
}
static void input_done(void) {
STOP_TIMER(clear_pam_wrong_timeout);
pam_state = STATE_PAM_VERIFY;
redraw_screen();
if (pam_authenticate(pam_handle, 0) == PAM_SUCCESS) {
DEBUG("successfully authenticated\n");
clear_password_memory();
/* PAM credentials should be refreshed, this will for example update any kerberos tickets.
* Related to credentials pam_end() needs to be called to cleanup any temporary
* credentials like kerberos /tmp/krb5cc_pam_* files which may of been left behind if the
* refresh of the credentials failed. */
pam_setcred(pam_handle, PAM_REFRESH_CRED);
pam_end(pam_handle, PAM_SUCCESS);
exit(0);
}
if (debug_mode)
fprintf(stderr, "Authentication failure\n");
/* Get state of Caps and Num lock modifiers, to be displayed in
* STATE_PAM_WRONG state */
xkb_mod_index_t idx, num_mods;
const char *mod_name;
num_mods = xkb_keymap_num_mods(xkb_keymap);
for (idx = 0; idx < num_mods; idx++) {
if (!xkb_state_mod_index_is_active(xkb_state, idx, XKB_STATE_MODS_EFFECTIVE))
continue;
mod_name = xkb_keymap_mod_get_name(xkb_keymap, idx);
if (mod_name == NULL)
continue;
/* Replace certain xkb names with nicer, human-readable ones. */
if (strcmp(mod_name, XKB_MOD_NAME_CAPS) == 0)
mod_name = "Caps Lock";
else if (strcmp(mod_name, XKB_MOD_NAME_ALT) == 0)
mod_name = "Alt";
else if (strcmp(mod_name, XKB_MOD_NAME_NUM) == 0)
mod_name = "Num Lock";
else if (strcmp(mod_name, XKB_MOD_NAME_LOGO) == 0)
mod_name = "Win";
char *tmp;
if (modifier_string == NULL) {
if (asprintf(&tmp, "%s", mod_name) != -1)
modifier_string = tmp;
} else if (asprintf(&tmp, "%s, %s", modifier_string, mod_name) != -1) {
free(modifier_string);
modifier_string = tmp;
}
}
pam_state = STATE_PAM_WRONG;
failed_attempts += 1;
clear_input();
if (unlock_indicator)
redraw_screen();
/* Skip all the events during the pam verification to avoid bad people
* spamming keys and locking pam in an endless validation loop */
xcb_generic_event_t *ev = xcb_poll_for_event(conn);
free(ev);
while (ev != NULL)
{
ev = xcb_poll_for_queued_event(conn);
free(ev);
}
/* Clear this state after 2 seconds (unless the user enters another
* password during that time). */
ev_now_update(main_loop);
START_TIMER(clear_pam_wrong_timeout, TSTAMP_N_SECS(2), clear_pam_wrong);
/* Cancel the clear_indicator_timeout, it would hide the unlock indicator
* too early. */
STOP_TIMER(clear_indicator_timeout);
/* beep on authentication failure, if enabled */
if (beep) {
xcb_bell(conn, 100);
xcb_flush(conn);
}
}
static void
print_state(struct xkb_state *state)
{
struct xkb_keymap *keymap;
xkb_layout_index_t group;
xkb_mod_index_t mod;
xkb_led_index_t led;
group = xkb_state_serialize_layout(state, XKB_STATE_LAYOUT_EFFECTIVE);
mod = xkb_state_serialize_mods(state, XKB_STATE_MODS_EFFECTIVE);
/* led = xkb_state_serialize_leds(state, XKB_STATE_LEDS); */
if (!group && !mod /* && !led */) {
fprintf(stderr, "\tno state\n");
return;
}
keymap = xkb_state_get_keymap(state);
for (group = 0; group < xkb_keymap_num_layouts(keymap); group++) {
if (xkb_state_layout_index_is_active(state, group,
XKB_STATE_LAYOUT_EFFECTIVE |
XKB_STATE_LAYOUT_DEPRESSED |
XKB_STATE_LAYOUT_LATCHED |
XKB_STATE_LAYOUT_LOCKED) <= 0)
continue;
fprintf(stderr, "\tgroup %s (%d): %s%s%s%s\n",
xkb_keymap_layout_get_name(keymap, group),
group,
xkb_state_layout_index_is_active(state, group, XKB_STATE_LAYOUT_EFFECTIVE) > 0 ?
"effective " : "",
xkb_state_layout_index_is_active(state, group, XKB_STATE_LAYOUT_DEPRESSED) > 0 ?
"depressed " : "",
xkb_state_layout_index_is_active(state, group, XKB_STATE_LAYOUT_LATCHED) > 0 ?
"latched " : "",
xkb_state_layout_index_is_active(state, group, XKB_STATE_LAYOUT_LOCKED) > 0 ?
"locked " : "");
}
for (mod = 0; mod < xkb_keymap_num_mods(keymap); mod++) {
if (xkb_state_mod_index_is_active(state, mod,
XKB_STATE_MODS_EFFECTIVE |
XKB_STATE_MODS_DEPRESSED |
XKB_STATE_MODS_LATCHED |
XKB_STATE_MODS_LOCKED) <= 0)
continue;
fprintf(stderr, "\tmod %s (%d): %s%s%s%s\n",
xkb_keymap_mod_get_name(keymap, mod),
mod,
xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_EFFECTIVE) > 0 ?
"effective " : "",
xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_DEPRESSED) > 0 ?
"depressed " : "",
xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_LATCHED) > 0 ?
"latched " : "",
xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_LOCKED) > 0 ?
"locked " : "");
}
for (led = 0; led < xkb_keymap_num_leds(keymap); led++) {
if (xkb_state_led_index_is_active(state, led) <= 0)
continue;
fprintf(stderr, "\tled %s (%d): active\n",
xkb_keymap_led_get_name(keymap, led),
led);
}
}